POTENSI DAN MEKANISME Avicennia marina (Forssk.) Vierh DALAM FITOREMEDIASI LOGAM BERAT Cu DAN Pb DI PULAU PAYUNG, SUMATERA SELATAN

WIDYA, YULYANDARI and Juswardi, Juswardi (2021) POTENSI DAN MEKANISME Avicennia marina (Forssk.) Vierh DALAM FITOREMEDIASI LOGAM BERAT Cu DAN Pb DI PULAU PAYUNG, SUMATERA SELATAN. Undergraduate thesis, Sriwijaya University.

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Abstract

ABSTRACT: The position of Pulau Payung which is in the middle of the Musi River estuary causes this island to have the potential to experience environmental pollution in the form of copper (Cu) and Lead (Pb) pollution originating from industrial activities in the upstream and downstream parts of the river. One of the efforts that can be done to overcome the pollution of mangrove areas is to use Avicennia marina as a phytoremediation agent. This study aims to determine the potential and phytoremediation mechanism of Avicennia marina against heavy metals Cu and Pb in the mangrove area of Pulau Payung, South Sumatra. The research was carried out from April to June 2021. The sampling process was carried out in the mangrove area of Pulau Payung, South Sumatra Province with the convenience sampling method. Heavy metal analysis was carried out using Atomic Absorption Spectrophotometry (AAS) at the Environmental Laboratory, South Sumatra DLHP. The calculation of the Translocation Factor (TF) aims to determine the phytoremediation mechanism in A.marina and the Bioconcentration Factor (BCF) to determine the levels of heavy metals Cu and Pb in the mangrove A marina in Payung Island, South Sumatra. The results of this study showed that the accumulation of lead in the sediment, roots, and leaves were 6.628 mg/kg, 1.033 mg/kg and 1.583 mg/kg, respectively. Cu metal accumulation in sediment, roots and leaves were 7.246 mg/kg, 1.098 mg/kg and 0.908 mg/kg, respectively. A.marina in Payung Island is included as an excluder plant which is characterized by a BCF value < 1 so that its potential as a phytoremediator plant is low. Avicennia marina in absorbing Pb uses a phytoextraction mechanism which is characterized by a TF value > 1 which is 1.53. Meanwhile, Cu metal uses a phytostabilization mechanism which is characterized by a TF value < 1, which is 0.68. Keywords: Avicennia marina, Phytoremediation, Heavy Metals, Pulau Payung. ABSTRAK : Posisi Pulau payung yang berada di tengah aliran muara sungai musi menyebabkan pulau ini berpotensi mengalami pencemaran lingkungan berupa pencemaran Tembaga (Cu) maupun Timbal (Pb) yang berasal dari aktivitas industri di bagian hulu dan hilir sungai. Salah satu upaya yang dapat dilakukan untuk mengatasi pencemaran kawasan mangrove adalah dengan memanfaatkan Avicennia marina sebagai agen fitoremediasi. Penelitian ini bertujuan untuk mengetahui potensi dan mekanisme fitoremediasi Avicennia marina terhadap logam berat Cu dan Pb di kawasan mangrove Pulau Payung, Sumatera Selatan. Penelitian telah dilaksanakan pada April sampai Juni 2021. Proses pengambilan sampel dilakukan di kawasan mangrove Pulau Payung, Provinsi Sumatera Selatan dengan metode convinence sampling. Analisis logam berat dilakukan dengan menggunakan alat Atomic Absorption Spectrophotometry (AAS) di Laboratorium Lingkungan, DLHP Sumatera Selatan. Perhitungan Faktor Translokasi (TF) bertujuan untuk mengetahui mekanisme fitoremediasi pada A.marina dan Faktor Biokonsentrasi (BCF) untuk mengetahui kadar logam berat Cu dan Pb pada mangrove A marina yang ada di Pulau Payung, Sumatera Selatan. Hasil dari penelitian ini didapatkan bahwa akumulasi Pb pada sedimen, akar, dan daun berturut-turut adalah 6,628 mg/kg, 1,033 mg/kg dan 1,583 mg/kg. Akumulasi logam Cu pada sedimen, akar dan daun berturut-turut yaitu 7,246 mg/kg, 1,098 mg/kg dan 0,908 mg/kg. A .marina di Pulau Payung termasuk kedalam tumbuhan excluder yang ditandai dengan nilai BCF < 1 sehingga potensi sebagai tumbuhan fitoremediator rendah. Avicennia marina dalam menyerap logam Pb menggunakan mekanisme fitoekstraksi yang ditandai dengan nilai TF > 1 yaitu 1,53. Sedangkan pada logam Cu menggunakan mekanisme fitostabilisasi yang ditandai dengan nilai TF < 1 yaitu 0,68.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Avicennia marina, Fitoremediasi, Logam Berat, Pulau Payung.
Subjects:	Q Science > QP Physiology > QP1-(981) Physiology
Divisions:	08-Faculty of Mathematics and Natural Science > 46201-Biology (S1)
Depositing User:	Widya Yulyandari
Date Deposited:	16 Dec 2021 03:47
Last Modified:	16 Dec 2021 03:47
URI:	http://repository.unsri.ac.id/id/eprint/59163

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